body {
  overflow: hidden;
  position: relative;
}
.main {
  height: 100%;
  .item {
    text-align: center;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    padding: 0 20px;
    color: #fff;
    transform: perspective(1px) translateZ(0);
    transition: .5s background;
    .img {
      width: 100%;
      min-height: 150px;
      margin: 0 auto 0;
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%,-86%);
      img {
        width: 30%;
        height: auto;
        display: inline-block;
        animation-delay: 3.5s;
      }
    }

    .content {
      position: absolute;
      width: 100%;
      padding: 0 20px;
      bottom: 10px;
      left: 0;
      p:first-child {
        animation-delay: 4s;
      }
      h3 {
        border-bottom: 1px solid rgba(255,255,255,.1);
        line-height: 2.2;
        animation-delay: 5s;
      }
      p:last-child {
        text-align: left;
        line-height: 2;
        animation-delay: 5.5s;
      }
    }
  }
  .item:nth-child(1){
    background: #006699;
    animation-delay: .5s;
    transition: .5s;
    cursor: default;
    &:hover {
      background-color: #333;
    }
    img {
      width: 60%;
    }

  }
  .item:nth-child(2){
    background: #FFCC00;
    animation-delay: 1s;
    &:hover {
      background-color: #333;
    }
  }
  .item:nth-child(3){
    background: #FF6666;
    animation-delay: 1.5s;
    &:hover {
      background-color: #333;
    }
  }
  .item:nth-child(4){
    background: #CCCC00;
    animation-delay: 2s;
    &:hover {
      background-color: #333;
    }
  }
  .item:nth-child(5){
    background: #FF9933;
    animation-delay: 2.5s;
    &:hover {
      background-color: #333;
    }
  }
  .item:nth-child(6){
    background: #663399;
    animation-delay: 3s;
    &:hover {
      background-color: #333;
    }
  }
}
